UPS 30-300kVA User Manual
Operations
57
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4 Operations
4.1 UPS Start-up
4.1.1 Start in Normal Mode
The UPS must be started up by commissioning engineer after the completeness of installation. The
steps below must be followed
：
1)
Ensure all the circuit breakers are open.
2)
One by one to turn on the output breaker (Q4), input breaker (Q1), bypass input breaker (Q2),
and then the system starts initializing (150kVA and 200kVA only have a manual bypass
breaker, so need to used external circuit breakers).
3)
The LCD in front of the cabinet is lit up. The system enters the home page, as shown in
Figure3-2.
4)
Notice the energy bar in the home page, and pay attention to the LED indicators. The rectifier
flashes indicating the rectifier is starting up. The LED indicators are listed below in Table
4-1.
Table 4-1 Recti�ier starting up
Indicator
Status
Indicator
Status
Rectifier
green flashing
Inverter
off
Battery
red
Load
off
Bypass
off
Status
red
5)
After 30S, the rectifier indicator goes steady green, presenting the finishing of rectification
and bypass static switch closes then the inverter is starting up. The LED indicators are listed
below in Table.5-2.
